﻿//
// Created by francklinson on 2021/3/31.
//

// tempparm.cpp – templates as parameters
#include <iostream>
#include "stacktp.h"

template<template<typename T> class Thing, typename U, typename V>
class Crab
{
private:
    Thing<U> s1; // 这里给thing传递类型参数
    Thing<V> s2;
public:
    Crab()
    {};

    // assumes the thing class has push() and pop() members
    bool push(int a, double x)
    { return s1.push(a) && s2.push(x); }

    bool pop(int &a, double &x)
    { return s1.pop(a) && s2.pop(x); }
};

int main()
{
    using std::cout;
    using std::cin;
    using std::endl;
    Crab<Stack, int, double> nebula;
// Stack must match template <typename T> class thing
    int ni;
    double nb;
    cout << "Enter int double pairs, such as 4 3.5 (0 0 to end):\n";
    while (cin >> ni >> nb && ni > 0 && nb > 0)
    {
        if (!nebula.push(ni, nb))
            break;
    }

    while (nebula.pop(ni, nb))
        cout << ni << ", " << nb << endl;
    cout << "Done.\n";

    return 0;
}